Creation | pd.read_feather()

import pandas as pd

# Write a DataFrame to a Feather file
df = pd.DataFrame({'col1': [1, 2, 3], 'col2': ['A', 'B', 'C']})
df.to_feather('data.feather')

# Read the Feather file
df_loaded = pd.read_feather(path='data.feather')
print(df_loaded)
'''
Output:
   col1 col2
0     1    A
1     2    B
2     3    C
'''

import pandas as pd

# Write a DataFrame to a Feather file
df = pd.DataFrame({'col1': [1, 2, 3], 'col2': ['A', 'B', 'C']})
df.to_feather('data.feather')

# Read the Feather file
df_loaded = pd.read_feather(path='data.feather', columns=['col1'])
print(df_loaded)
'''
Output:
   col1
0     1    
1     2    
2     3    
'''

import pandas as pd

# Write a DataFrame to Feather
df = pd.DataFrame({'col1': range(100000), 'col2': range(100000)})
df.to_feather('data.feather')

# Read with threading (default)
df1 = pd.read_feather('data.feather', use_threads=True)
print(df1.head())
'''
Output:
   col1  col2
0     0     0
1     1     1
2     2     2
3     3     3
4     4     4
'''